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Apple does offer a one year warranty, so if you are the first buyer, you should be able to register and get them to replace the battery for free. I don't know exactly when they discontinued selling that model, but start with trying to register that device to you at support.apple.com using the serial number from the box. You might need to call into support or ...


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Yes and no. If you get an apple certified charger, it will most probably only damage your battery as much as the apple charger, if not less. However, if you want to buy those cheap or even expensive chargers from a non certified producer, there is no telling what it might do to your phone.


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I vote no on the cheap cord. Went from 24hr battery life to 5. Forgot to plug it in one night bought a cheap one at the convenience store on the way to work. Charged a quarter of the way and stopped charging. Once home used apple charger ever since but battery life is terrible now. iPhone 5


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I have same problem with my iPhone 5s. while it is charging and discharging, battery percentage indicator shows same level. If you restart phone then it shows correct value but it still shows same value while it is charging or discharging, and it is interesting that in each 3:32 minutes blue screen occurs and it reboots. Here is the latest crash log: ...


1

You have a skewed understanding from what I can tell. This may be a bit overkill, but some simple physics couldn't hurt. Let's start with the basics: Voltage, measured in Volts (V), is the potential energy of electrons between to points. It is analogous to pressure in pipes. Current, measured in Amperes (A), is the rate at which electrons flow, equivalent ...


1

The battery life of your iPhone depends on it's usage. 1440mAH or 1560mAH refers to the basic term that if your phone uses 1mA per hour(i.e 1 W/v) it can last for 1440 hours. But the usage will depend on what all software you are using. Like mobile network and heavy graphic intense games will use more power, applications that don't require a lot of processor ...


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The battery doctor HD app by KS moblie tells me the charging current for my iPad 2. However the battery doctor app for iPhone 4s does not appear to give this information.


1

I had the same problem. Your battery is dead, plain and simple. So you basically have tree choices: buy a new iPhone; replace your battery, but that might damage your phone if not done properly and may end up costing more than you'd want; buy an external battery and let your 3GS be permanently plugged into that battery. They make pretty nice shell cases ...


1

The Apple logo lights up when the screen is on, so what's happening is that your screen isn't turning itself off. This usually happens when the power management extensions aren't loaded in the operating system, and issues with sleep are one of the biggest indicator of this. Have a look at this page : https://help.ubuntu.com/community/MacBookPro. It could ...


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Yes. Most external batteries that are USB can be hooked up to both the 4S's 30-pin port and 5s's lightning port. As long as one end of the connecting cable is USB and the other end is the corresponding type for the iPhone in question. One example is: http://www.mophie.com/shop/iphone-4s-4/powerstation-smart-phones-tablets


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Chrome does not consumes more energy the other browsers in this test. I just run a comparison. The set up was to have same amount of demand. Tree tabs open, one tab streaming online video in both, Chrome and Firefox (I do not use Safari). In Energy consumption profile below, Chrome was equal to Firefox. Of course the Energy consumption is very much ...


1

I would connect to a fast WiFi and re-enable iCloud. The WiFi will drain the battery far less than the cellular modem for transferring 1 GB of data since it will finish much faster in most cases. Also, you might need to plug into power to let however much data you have sync. Some big items you can turn off temporarily are: iCloud Photo Stream iCloud ...


2

It should be possible to perform a reset of the phone by holding the 'home' and 'power' buttons for ten seconds. That should cause the phone to reboot. If you can't do this (e.g. broken power button), then I don't see why removing the battery would not cause the phone to be shut down. I don't see why it would cause any lasting damage, at any rate.


2

Yes it is possible, but consider the consumption and Costs. How much electricity does it take to power your iPhone for a year? The answer: 1 kWh. This is the amount of electricity you’d need to power ten 100-watt incandescent light-bulbs for an hour. Far from anything worth being sheepish over, 1 kwh costs about 12 cents. To be specific, your iPhone ...


3

Best is to use Apple tools already on your Mac to check your battery. Open Activity in utility folder- and look under the the Energy tab. Next, open About this Mac- More- sys report: Look for battery information there. It should show something like: Fully charged capacity (>6500 mah), --that is a good indicator how "old" is the battery, the older ...



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